/* CoralCube | Massively Multiplayer Online Role-Playing Game(MMORPG) Emulator.
|* 
|* Copyright (C) 2008-2010 CoralCube <http://www.CoralCube.com/>
|*
|* This program is free software. You can redistribute it and/or modify it under the terms of 
|* the GNU General Public License as published by the Free Software Foundation, either 
|* version 2 of the License.
|*
|* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY, 
|* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
|* See the GNU General Public License for more details.
|*
|* You should have received a copy of the GNU General Public License along with this program. 
|* If not, see <http://www.gnu.org/licenses/>.
|*/

#ifndef OUTDOOR_PVP_H_
#define OUTDOOR_PVP_H_

#include "Utilities/Util.h"
#include "SharedDefines.h"
#include "ZoneScript.h"

class GameObject;

enum OutdoorPvPTypes
{
    OUTDOOR_PVP_HP = 1,
    OUTDOOR_PVP_NA = 2,
    OUTDOOR_PVP_TF = 3,
    OUTDOOR_PVP_ZM = 4,
    OUTDOOR_PVP_SI = 5,
    OUTDOOR_PVP_EP = 6,
};

#define MAX_OUTDOORPVP_TYPES 7

const uint8 CapturePointArtKit[3] = {2, 1, 21};

enum ObjectiveStates
{
    OBJECTIVESTATE_NEUTRAL = 0,
    OBJECTIVESTATE_ALLIANCE,
    OBJECTIVESTATE_HORDE,
    OBJECTIVESTATE_NEUTRAL_ALLIANCE_CHALLENGE,
    OBJECTIVESTATE_NEUTRAL_HORDE_CHALLENGE,
    OBJECTIVESTATE_ALLIANCE_HORDE_CHALLENGE,
    OBJECTIVESTATE_HORDE_ALLIANCE_CHALLENGE,
};

#define OTHER_TEAM(a) (a == TEAM_ALLIANCE ? TEAM_HORDE : TEAM_ALLIANCE)

// struct for go spawning
struct go_type
{
    uint32 entry;
    uint32 map;
    float x;
    float y;
    float z;
    float o;
    float rot0;
    float rot1;
    float rot2;
    float rot3;
};

// struct for creature spawning
struct creature_type
{
    uint32 entry;
    uint32 teamval;
    uint32 map;
    float x;
    float y;
    float z;
    float o;
};

// some class predefs
class Player;
class GameObject;
class WorldPacket;
class Creature;
class Unit;
struct GossipMenuItems;
class OutdoorPvP;

typedef std::set<Player*> PlayerSet;

class OPvPCapturePoint
{
public:

    OPvPCapturePoint(OutdoorPvP * pvp);

    virtual void FillInitialWorldStates(WorldPacket & /*data*/) { }

    // send world state update to all players present
    void SendUpdateWorldState(uint32 field, uint32 value);

    // send kill notify to players in the controlling faction
    void SendObjectiveComplete(uint32 id, uint64 guid);

    // used when player is activated/inactivated in the area
    virtual bool HandlePlayerEnter(Player * plr);
    virtual void HandlePlayerLeave(Player * plr);

    // checks if player is in range of a capture credit marker
    bool IsInsideObjective(Player * plr) const;

    virtual bool HandleCustomSpell(Player *plr, uint32 spellId, GameObject * go);

    virtual int32 HandleOpenGo(Player *plr, uint64 guid);

    // returns true if the state of the objective has changed, in this case, the OutdoorPvP must send a world state ui update.
    virtual bool Update(uint32 diff);

    virtual void ChangeState() = 0;

    virtual void ChangeTeam(TeamId /*oldTeam*/) { }

    virtual void SendChangePhase();

    virtual bool HandleGossipOption(Player *plr, uint64 guid, uint32 gossipid);

    virtual bool CanTalkTo(Player * plr, Creature * c, GossipMenuItems gso);

    virtual bool HandleDropFlag(Player * plr, uint32 spellId);

    virtual void DeleteSpawns();

    uint32 m_capturePointGUID;

    GameObject *m_capturePoint;

    void AddGO(uint32 type, uint32 guid, uint32 entry = 0);
    void AddCre(uint32 type, uint32 guid, uint32 entry = 0);

    bool SetCapturePointData(uint32 entry, uint32 map, float x, float y, float z, float o = 0,
        float rotation0 = 0, float rotation1 = 0, float rotation2 = 0, float rotation3 = 0);

protected:

    bool AddObject(uint32 type, uint32 entry, uint32 map, float x, float y, float z, float o,
        float rotation0, float rotation1, float rotation2, float rotation3);
    bool AddCreature(uint32 type, uint32 entry, uint32 teamval, uint32 map, float x, float y, float z, float o, uint32 spawntimedelay = 0);

    bool DelCreature(uint32 type);
    bool DelObject(uint32 type);

    bool DelCapturePoint();

protected:

    // active players in the area of the objective, 0 - alliance, 1 - horde
    PlayerSet m_activePlayers[2];

    // total shift needed to capture the objective
    float m_maxValue;
    float m_minValue;

    // maximum speed of capture
    float m_maxSpeed;

    // the status of the objective
    float m_value;

    TeamId m_team;

    // objective states
    ObjectiveStates m_OldState;
    ObjectiveStates m_State;

    // neutral value on capture bar
    uint32 m_neutralValuePct;

    // pointer to the OutdoorPvP this objective belongs to
    OutdoorPvP* m_PvP;

    // map to store the various gameobjects and creatures spawned by the objective
    //        type , guid
    std::map<uint32,uint64> m_Objects;
    std::map<uint32,uint64> m_Creatures;
    std::map<uint64,uint32> m_ObjectTypes;
    std::map<uint64,uint32> m_CreatureTypes;
};

// base class for specific outdoor pvp handlers
class OutdoorPvP : public ZoneScript
{
    friend class OutdoorPvPMgr;

public:

    // ctor
    OutdoorPvP();

    // dtor
    ~OutdoorPvP();

    // deletes all gos/creatures spawned by the pvp
    void DeleteSpawns();

    typedef std::map<uint32/*lowguid*/, OPvPCapturePoint*> OPvPCapturePointMap;

    virtual void FillInitialWorldStates(WorldPacket & /*data*/) { }

    // called when a player triggers an areatrigger
    virtual bool HandleAreaTrigger(Player * plr, uint32 trigger);

    // called on custom spell
    virtual bool HandleCustomSpell(Player *plr, uint32 spellId, GameObject * go);

    // called on go use
    virtual bool HandleOpenGo(Player *plr, uint64 guid);

    // setup stuff
    virtual bool SetupOutdoorPvP() {return true;}

    void OnGameObjectCreate(GameObject *go);
    void OnGameObjectRemove(GameObject *go);
    void OnCreatureCreate(Creature *) {}

    // send world state update to all players present
    void SendUpdateWorldState(uint32 field, uint32 value);

    // called by OutdoorPvPMgr, updates the objectives and if needed, sends new worldstateui information
    virtual bool Update(uint32 diff);

    // handle npc/player kill
    virtual void HandleKill(Player * killer, Unit * killed);
    virtual void HandleKillImpl(Player * /*killer*/, Unit * /*killed*/) { }

    // checks if player is in range of a capture credit marker
    bool IsInsideObjective(Player * plr) const;

    // awards rewards for player kill
    virtual void AwardKillBonus(Player * /*plr*/) { }

    uint32 GetTypeId() {return m_TypeId;}

    virtual bool HandleDropFlag(Player * plr, uint32 spellId);

    virtual bool HandleGossipOption(Player *plr, uint64 guid, uint32 gossipid);

    virtual bool CanTalkTo(Player * plr, Creature * c, GossipMenuItems gso);

    void TeamApplyBuff(TeamId team, uint32 spellId, uint32 spellId2 = 0);

protected:

    // the map of the objectives belonging to this outdoorpvp
    OPvPCapturePointMap m_capturePoints;

    PlayerSet m_players[2];

    uint32 m_TypeId;

    bool m_sendUpdate;

    // world state stuff
    virtual void SendRemoveWorldStates(Player * /*plr*/) { }

    void BroadcastPacket(WorldPacket & data) const;

    virtual void HandlePlayerEnterZone(Player * plr, uint32 zone);
    virtual void HandlePlayerLeaveZone(Player * plr, uint32 zone);

    virtual void HandlePlayerResurrects(Player * plr, uint32 zone);

    void AddCapturePoint(OPvPCapturePoint* cp)
    {
        m_capturePoints[cp->m_capturePointGUID] = cp;
    }

    OPvPCapturePoint * GetCapturePoint(uint32 lowguid) const
    {
        OutdoorPvP::OPvPCapturePointMap::const_iterator itr = m_capturePoints.find(lowguid);
        if (itr != m_capturePoints.end())
            return itr->second;
        return NULL;
    }

    void RegisterZone(uint32 zoneid);

    bool HasPlayer(Player *plr) const;

    void TeamCastSpell(TeamId team, int32 spellId);
};

#endif /*OUTDOOR_PVP_H_*/
